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Re: OT: and even in Dart .........Re: simple session question [message #175751 is a reply to message #175750]

Sun, 23 October 2011 08:40

The Natural Philosoph
Messages: 993
Registered: September 2010

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Senior Member

Tim Streater wrote:
> In article <j7vhmk$420$1(at)news(dot)albasani(dot)net>,
> Thomas Mlynarczyk <thomas(at)mlynarczyk-webdesign(dot)de> wrote:
>
>> Norman Peelman schrieb:
>>
>>> $foo = 0;
>>> $foo = $foo++;
>>>> It should be equivalent to:
>>>> $foo = 0; // 0
>>> $foo = $foo; // 0 = 0
>>> $foo = $foo + 1; // 0 = (0 + 1)
>>
>> No. What you are doing here is assigning first and then incrementing.
>> The evaluation of $foo++ returns 0 and increments $foo as a side
>> effect. This evaluation process must be completed before the
>> assignment can happen:
>>
>> [1] Evaluate the expression $foo++ (result: 0, side effect: $foo = 1)
>> [2] Assign the result to $foo ($foo = 0)
>>
>>> $foo++ means that the variable is to be incremented after the
>> variable > is accessed.
>>
>> Yes, it means that the expression $foo++ evaluates to the value which
>> $foo had before. And it is this value which is assigned to $foo after
>> the $foo++ step is completed.
>
> Yes - as per my JavaScript example. If I say:
>
> results[i++];
>
> I get the value of results[i]. That value is held in limbo to be
> assigned to the LHS. Then the post-increment occurs. Then the result
> from limbo is assigned to LHS.
>
> And so with PHP. Which will mean that:
>
> $foo = $foo++;
> $foo = ($foo++);
>
> both act the same and set $foo to 0.
>
First I heard that []===().....

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[Message index]

		simple session question By: cerr on Fri, 21 October 2011 17:44
		Re: simple session question By: Thomas Mlynarczyk on Fri, 21 October 2011 18:19
		Re: simple session question By: Jonathan Stein on Fri, 21 October 2011 18:51
		Re: simple session question By: Thomas Mlynarczyk on Fri, 21 October 2011 20:00
		Re: simple session question By: Jerry Stuckle on Fri, 21 October 2011 20:14
		Re: simple session question By: Thomas Mlynarczyk on Fri, 21 October 2011 22:50
		Re: simple session question By: Jerry Stuckle on Fri, 21 October 2011 23:05
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 13:40
		Re: simple session question By: Richard Damon on Sat, 22 October 2011 21:19
		Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 21:56
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 22:35
		Re: simple session question By: Tim Streater on Sat, 22 October 2011 22:43
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 23:56
		Re: simple session question By: Richard Damon on Sat, 22 October 2011 23:29
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 23:54
		Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 00:12
		Re: simple session question By: Richard Damon on Sun, 23 October 2011 01:13
		Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 07:44
		Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 15:31
		Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 16:18
		Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 17:14
		Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 17:16
		Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 17:00
		Re: simple session question By: Richard Damon on Sun, 23 October 2011 19:28
		Re: simple session question By: Jerry Stuckle on Sun, 23 October 2011 03:03
		Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 17:06
		Re: simple session question By: Jerry Stuckle on Sun, 23 October 2011 18:35
		Re: simple session question By: The Natural Philosoph on Fri, 21 October 2011 23:32
		Re: simple session question By: Luuk on Sat, 22 October 2011 10:01
		Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 14:27
		Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 14:37
		Re: simple session question By: Luuk on Sat, 22 October 2011 15:08
		OT: and even in Dart .........Re: simple session question By: Luuk on Sat, 22 October 2011 15:17
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 15:54
		Re: OT: and even in Dart .........Re: simple session question By: Luuk on Sat, 22 October 2011 16:47
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 17:34
		Re: OT: and even in Dart .........Re: simple session question By: Norman Peelman on Sat, 22 October 2011 20:08
		Re: OT: and even in Dart .........Re: simple session question By: Jerry Stuckle on Sat, 22 October 2011 20:28
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 23:39
		Re: OT: and even in Dart .........Re: simple session question By: Norman Peelman on Sun, 23 October 2011 02:40
		Re: OT: and even in Dart .........Re: simple session question By: Jerry Stuckle on Sun, 23 October 2011 03:05
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 21:52
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 23:25
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 07:41
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 22:56
		Re: OT: and even in Dart .........Re: simple session question By: Norman Peelman on Sun, 23 October 2011 02:52
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 15:12
		Re: OT: and even in Dart .........Re: simple session question By: Tim Streater on Sun, 23 October 2011 08:39
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 08:40
		Re: OT: and even in Dart .........Re: simple session question By: Tim Streater on Sun, 23 October 2011 08:43
		Re: OT: and even in Dart .........Re: simple session question By: Peter H. Coffin on Sat, 05 November 2011 20:04
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sat, 22 October 2011 21:47
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 23:22
		Re: OT: and even in Dart .........Re: simple session question By: The Natural Philosoph on Sun, 23 October 2011 07:40
		Re: OT: and even in Dart .........Re: simple session question By: Thomas Mlynarczyk on Sun, 23 October 2011 15:04
		Re: OT: and even in Dart .........Re: simple session question By: Peter H. Coffin on Sat, 05 November 2011 20:00
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 13:39
		Re: simple session question By: cerr on Fri, 21 October 2011 21:43
		Re: simple session question By: Thomas Mlynarczyk on Fri, 21 October 2011 22:47
		Re: simple session question By: Jerry Stuckle on Fri, 21 October 2011 23:06
		Re: simple session question By: cerr on Fri, 21 October 2011 21:17
		Re: simple session question By: Thomas Mlynarczyk on Sat, 22 October 2011 13:50
		Re: simple session question By: Denis McMahon on Sun, 23 October 2011 15:47

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